/// <summary>
/// Adds the table output with reference to the variable to store the output value to
/// </summary>
/// <remarks>The outputs are "indexed" in the order as added to the table definition builder</remarks>
/// <param name="variableRef">Reference to variable used to store the table output to</param>
/// <param name="outputRef">Reference to added table output that can be used in rule builders</param>
/// <param name="allowedValues">Allowed output values</param>
/// <exception cref="DmnBuilderException">Throws <see cref="DmnBuilderException"/> when the definition has already been built</exception>
/// <exception cref="ArgumentNullException"> when the <paramref name="variableRef"/> is not provided</exception>
public TableDecision WithOutput(Variable.Ref variableRef, out TableOutput.Ref outputRef, params string[] allowedValues)
{
if (IsBuilt)
{
throw Logger.Error <DmnBuilderException>($"Decision is already built");
}
if (variableRef == null)
{
throw new ArgumentNullException(nameof(variableRef));
}
var output = new TableOutput(Variables, Decisions, OutputsInternal.Count).WithVariable(variableRef);
_ = allowedValues != null && allowedValues.Length > 0
? output.WithAllowedValues(allowedValues)
: output.WithoutAllowedValuesConstraint();
outputRef = output.Reference;
OutputsInternal.Add(output);
OutputsByRef.Add(outputRef, output);
return(this);
}
/// <summary>
/// Private CTOR - accessible from "owner class" via <see cref="RefCtor"/>
/// </summary>
/// <param name="output">Table output to create the reference for</param>
private Ref(TableOutput output)
{
Output = output;
}